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I always prefer to believe the best of everybody; it saves so much trouble.

無人機不是玩具，而是改變行業的工具。

在一個快速變化的世界中，學習和適應的能力是最終的競爭優勢。

If you're not failing, you're not trying hard enough.

I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!